Snap-fastener.



N0.'844,280. PATBNTED FEB. 12, 1907.

A. J. GROVE. Y

SNAP PASTENER. 'APPLIOATION P ILBD DEG.13, 1905.

ber of so-called snap-fasteners.

ira s are a rare ARTHUR JAMES GROW E, OF HALESOWEN, ENGLAND, ASSIGNOR TO JAMES GROVE & SONS, OF HALESOWEN, ENGLAND, A OOPARTNERSHIP.

sNaP' -FAsTEMea.

Specification of Letters Patent.

Patented Feb. 12, 1907.

.1 0 all whom it may concern.-

Be it known that I, ARTHUR JAMES GROVE, a subject of the King of Great Britain, resid ing at Halesowen, in the county'of Worcester, England, have invented a certain new and useful Improvement in Snap-Fasteners, of which the following is a full,cle' ar,-a nd exact description. I 1 i This invention relates to the socket mem- In United States Letters .Patent No. 803,754., granted November 7, 1905, and in .British Patent No. 13,046, dated June 9,

1904, George Frederick Grove and has joint inventors, have described certain difliculties encountered in the use ofhorn, hoof, and like materials for the heads of those garmentfasteners known variously .as snap-fasteners and also push-buttons and also glove-fasteners and have shown and described means whereby these difliculties have been overcome, or at least reduced to a negligible quantity."

In the present invention, which is in one of its aspects in the nature of an improvement upon the patented invention above referred to, the metal ring is replaced by a socket-like lining, herein shown in two of the forms-which it may be given namely, as a continuous lining and as a perforated lining. In each instance the lining is provided with a flaring circular groove which receives and spreads the barrel or tube of the fasteningeyelet in the setting of the device on a garment, and said lining also has a curved side wall and a back flange. This eyelet, in ad-' dition to attaching the socket to the garment, also serves as a stud-engaging member, and

, the lining reinforces the material of the head against the strains to which it may be subjected in shaping it and in itsuse as a fase tener upon a garment, all as I will now pro ceed more particularly to set forth and finally claim.

In the accompanying drawings, illustrating the invention, in the several figures of which like parts are similarly-designated, Figure 1 is a cross section of the finished device. Fig. 2 illustrates in cross-section the head-blank and the lining before application. Fig. 3 is a plan view of the lining detached, the horn or other head being indicated .by dotted lines. Fig. 4 is an elevation of the lining of the preceding figures detached. Fig. 5 is a crosssection of the finished device having a perforated lining. Fi 6 illustrates in crosssection the head-b ank and the perforated lining before application. Fig. 7 is a plan view of the lining of Figs. 5;and 6, the head being indicated by dotted lines. Fig. 8 is an elevation of the lining of Figs. 5, 6, and 7 detached.

The head 1 of the device may be made of horn, hoof, or other natural material or of any composition of matter capable of being brought into a condition in which it may be shaped by pressure in dies and set in such shape. The lining 2, as shown in Figs. 1, 2, 3, and 4, comprises a dome-shaped portion 3, the flaring circular groove portion 4, the 'curved wall portion 5, andthe external outwardly-projecting back flan e 6. The apex of the' dome rises a consi erable distance above the groove 4.

As shown in Figs. 5 to 8, the head 7 is-of any of the materials above mentioned, and the lining 8 is perforated at top,.or, in other words, is without the dome shown in the preceding views; but it has the flaring circular groove portion 9, the curved wall 10, and the external outwardly-proj ecting back flange 11, substantially as in described. I

In both cases the lining serves the twofold purpose, first, of presenting a metallic groove not readily susceptible to variations in temperature or to climatic influences, and therefore always in condition and gage to receive the fastening-eyelet and clench it, and,

second, of reinforcing the chamber in the head and into which the complemental stud of the snap-fastener enters. This stud being of conventional and well-known form is not herein illustrated; but it is to be said that, as shown, the socket member is a ri id device, and consequently the stud should ea spring device.

In practice the blank for thehead 1 or for the. head 7 may be, as represented at 12 in Figs. 2 and 6, a disk of horn, hoof, or other natural material or of some composition of matter that is capable of being pressedto shape and about the lining. In assembling the head and lining the lining is preformed complete and placed upon'a die with a die projection in the dome portion or projecting through the upper open portion of the the other form just lining, (shown in Figs. 5 to 3,) and in either Figs. 1 and 5, respectively, and thereby inti. mately, permanently, and securely uniting the two. i

In case a stud-receiving chamber of considerable depth is iequired and it becomes necessary to make thehead rather thin over the highest portions of the chamber, so that the total thickness of the head will not be excessive and rendered unsightly, then a continuous lining, as shown in Figs. 1 to 4, is particularly serviceable, and where no such precaution is necessary then the domeless or perforated lining of Figs. 5 to 8 is otherwise equally efiicient.

The curved walls 5 and 10 permit the aterial of the head to be brought down close to the lining without a gap, and the back flanges serve not only as a reinforce, but also as a protection for the material of the head against the impact of and strains exerted by the stud in inserting and Withdrawing it in service.

In any case the lining must be so shaped as not to be deformed in any wise by the application of the material of the head to it and also so that the device maybe readily drawn 'or strippedoff the dies or, in fact, shaken off the'dies. when completed. Also the groove must be so disposed that its mouth may be held open or, in other words, insured against collapsing when die-pressure is brought to bear to shape the material of the head about Y the lining.

The conditions attending ,theunion of a metal lining with a horn, hoof, or like natural materialhead are essentially dificrentfrom those attending the application of japan or out any considerable pressure.

however, a very. considerable pressure to other fluid coverings and celluloidor like.

plastic coverings which may be readily molded about surfaces of various contours with It requires,

unite a horn or hoof head to a metal lining.

The linings herein described are adapted to withstand not only the vertical pressure placed upon them in shaping the head mate-- rial about them and unitin the two, but also the lateral pressure in clos ng down the material of the head around the curved. walls and around the back flanges.

In the form of the device shown in Fig. 1

,the dome of the lining delimits the depth of the stud-receiving chamber, while in that form ofthe device shown in Fig. 5 a projection on the die would be utilized for the same purpose.

What I claim is 1. A snap-fastener socket member, comprising a head of solid material, capable of being-shaped under pressure, and a lining therefor having a flaring circular V groove adapted to receive and'clench an independent attaching-eyelet, a curved. wall and a back flange, about which lining the head is pressed and the head and lining thereby intimately, permanently and securely united.

3. A snap-fastener socket member,,com prising a head of solid material, capable of being shaped under pressure, and a continu ous metal lining therefor hav ng a dome, a

flaring circular groove adapted to receive and clench an independent attaching-eyelet, a curved wall and a back flange, about-which lining the head. is pressed to shape and the head and lining thereby intimately, permanently and securely united.

In testimony whereof "I have hereunto set my hand this 12th day of December, A. D.

- -ARTHUR JAMES GROVE. Witnesses: 1 I f ERNEST H. JUERGENs, WM. RAS UIN, Jr. 

